<input @bind:get="Value" @bind:set="ValueChangedHandler" style="width:500px;" />

@code {
    [Parameter] public string Value { get; set; }

    [Parameter] public EventCallback<string> ValueChanged { get; set; }

    private async Task ValueChangedHandler(string value)
    {
        await  ValueChanged.InvokeAsync(value);
    }
}